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Nvidia has changed the render pipeline. Framedrops on Vive Pro 2+ RTX 4090.

Aleksandr_V

By Aleksandr_V
in VIVE Console Software

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Aragorn 76

Aragorn 76

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It is clear there is a problem in VR with this new family of graphic cards. Not with all VR games but with many of them (the oldest ones ?). I'm not at home this week but I will try to make extra tests next week-end. I remember I also had some problems when I received my RTX 3090 (all of them were fixed later).

Concerning my setup, I can only suggest the following tests (that will not solve the problem but it can help to reduce it a little bit): 

- reinitialize Windows if you can (it is not that long...). I personnally use W11 but some people say W10 is more appropriate for VR.

-  try to deactivate the hardware-accelerated GPU scheduling in Windows (I did).

- optimize the power plan: type "powercfg -duplicatescheme e9a42b02-d5df-448d-aa00-03f14749eb61"  in a terminal as administrator then select the new option that appears among the power options.

-  try to deactivate all monitoring softwares (I had a lot of problems in the past with Afterburner (just the monitoring part of it that you can deactivate).

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Jackrip
Jackrip

I just ended up buying a quest 2 and am using airlink to play VR now. This is... really abhorrent honestly. The amount of money I spent on the vive pro 2 only for it to become a literal brick is infur

EvoPC
EvoPC

Bonjour, J'ai upgrade ma RTX 3090 vers une 4090 et j'ai eu des lags et une latence importante avec mon Vive Pro. Je suis revendeur informatique et j'ai testé plusieurs carte RTX 40xx avec le même

Aragorn 76
Aragorn 76

More details about my setup: RTX 4090 Gainward Phantom, i9-12900KS with 32Gb of Kingston DDR5 RAM, MSI Ace Z690, fresh new install of Windows 11 (family), no monitoring softwares such as MSI afterburn

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Aleksandr_V

Aleksandr_V

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NVIDIA gave me feedback today on our issue (Framedrops RTX 4090+Vive Pro 2/Varjo Aero/HP RB G2) Quote:

"Hello Aleksandr,

Thank you for your patience.

Your case is referred to me regarding the RTX 4090 with Vive Pro 2.

Yes, we are aware of this issue with RTX 4090 and  Varjo Headunit.

Our developer team is investigating currently unfortunately we do not have the ETA as to when it will be fixed.

We will keep you posted, once we have an update.

Best Regards
Zia
NVIDIA Customer Care ".

 

 

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Aragorn 76

Aragorn 76

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Thanks for the update Aleksandr. However, they have to understand that the problem is not limited to the Varjo headset (we have similar problems with the VP2 and apparentely, PixMax users have similar problems). Therefore, I think this is a problem with either Steam VR and/or NVidia drivers).

Some tests to do (that will not solve the problem but may help to reduce frame drops at least): 

- reinitialize Windows if you can (it is not that long...). I personnally use W11 but some people say W10 is more appropriate for VR.

-  try to deactivate the hardware-accelerated GPU scheduling in Windows (I did).

- optimize the power plan: type "powercfg -duplicatescheme e9a42b02-d5df-448d-aa00-03f14749eb61"  in a terminal as administrator then select the new option that appears among the power options.

-  try to deactivate all monitoring softwares (I had a lot of problems in the past with Afterburner (just the monitoring part of it that you can deactivate))

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Aragorn 76

Aragorn 76

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Thanks for the update Aleksandr. However, they have to understand that the problem is not limited to the Varjo headset (we have similar problems with the VP2 and apparentely, PixMax users have similar problems). Therefore, I think this is a problem with either Steam VR and/or NVidia drivers).

Some tests to do (that will not solve the problem but may help to reduce frame drops at least): 

- reinitialize Windows if you can (it is not that long...). I personnally use W11 but some people say W10 is more appropriate for VR.

-  try to deactivate the hardware-accelerated GPU scheduling in Windows (I did).

- optimize the power plan: type "powercfg -duplicatescheme e9a42b02-d5df-448d-aa00-03f14749eb61"  in a terminal as administrator then select the new option that appears among the power options.

-  try to deactivate all monitoring softwares (I had a lot of problems in the past with Afterburner (just the monitoring part of it that you can deactivate))

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Jaw_B

Jaw_B

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Im using a 4090 Asus Strix (updated from a 3090 Strix). Noticed that when I disabled Asus AURA (RGB) I lost nearly 95% of the framedrops(!). Aura worked fine in VR with the 3090 Strix, so thats a little strange. However, I am still getting massive reprojection (easily 50% reprojection in SteamHome or when playing HL:Alyx). I always thought framedrops and reprojection went "hand in hand"? Why "reproject" if no frames are missing?

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Aleksandr_V

Aleksandr_V

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Hi! Received an official response today from a Varjo employee regarding the Varjo Aero+RTX 4090 framedrops issue. They have fixed the issue (their response is below). When HTC will fix this flaw on the Vive Pro 2 remains a mystery.

 

"

thomas.leinan_varjo.com.JPG

Thomas Leinan (Varjo Technologies)

Nov 8, 2022, 11:41 GMT+2

Hi,
 
I'm happy to inform you that the new Varjo Base version 3.7.2 has now been released. 
 
This release includes improvements and bug fixes to existing features.
  • Fixed an issue that caused image stuttering when using NVIDIA GeForce RTX 4090 graphics card.
  • Fixed an issue that caused a horizontal line artifact in the video pass-through image when the application was using eye reprojection. (XR-3)
 
Please update to the latest version and you should no longer have to use the beta build with your 4090.

Regards,

Thomas
Customer Service Specialist
Varjo Technologies

"

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Jaw_B

Jaw_B

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What kind of a nonsense response is that... The problem appeared when updating to the 4090. Also, Varjo headsets have the same issue (as @Aleksandr_V posted) and required a fix from Varjo.

Makes me worried that HTC hasnt even started looking into the issue yet 😞 @C.T. Have any update? There are threads on both reddit and Steam about this too. (This for example https://www.reddit.com/r/Vive/comments/yuq2m9/vp2_latency_lag_with_4090_other_high_bandwidth/ )

Im on a 9900k with a 4090. So not a "new CPU" issue.

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VSK

VSK

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It sounded like HTC is just hoping nvidia will fix it?

 

"(04:35:53) Julian M.: It might be related to latest CPU instead GPU, however, we don't have official information about that, if that troubleshooting that not works I would suggest you check with NVIDIA to keep an eye on their updates"

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